The impact of driver behavior parameters in a widely used microscopic simulation package, i.e., VISSIM, on the simulated traffic conflict counts is presented in this study. More specifically, 31 driving behavior-related parameters is investigated with different parameter value. By modifying the parameter value, VISSIM produces different vehicle trajectory files, and a surrogate safety assessment model (SSAM) package is applied to output the conflicts. It shows that, in the present model, the numbers of parameters sensitive to the count of total conflict, rear-end conflict and lane-change conflict were 10, 12, and 4, respectively. The study partly demonstrated the impacts of different human behavior parameters provided in the VISSIM on the simulated conflicts. Future studies were to be conducted to sensitive analysis of multi-parameters and the evaluation countermeasures for the impacts of these parameters on simulated conflicts.
Sensitivity of Simulated Conflicts to VISSIM Driver Behavior Parameter Modification
Lect. Notes Electrical Eng.
2020-03-24
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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